@techreport{footstep,
 author = {Singh, Shawn and Kapadia, Mubbasir and Reinman, Glenn and Faloutsos, Petros},
 title = {Evaluating the Costs and Constraints Used to Make Footstep Decisions},
 year = {2010},
 publisher = {University of California, Los Angeles},
 address = {Los Angeles, CA, USA},
}